Better logging API for easing the creation of custom log formatter

packages/logging/logging_client.browserify.js

@@ -0,0 +1,44 @@
+RotatingFileStream = null; // see: https://github.com/trentm/node-bunyan/issues/223
+bunyan = require('bunyan');
+WritableStream = require('stream').Writable;
+inherits = require('util').inherits;
+logStyle = require('log-with-style');
+
+inherits(BrowserStdout, WritableStream);
+
+function BrowserStdout() {
+  if (!(this instanceof BrowserStdout)) {
+    return new BrowserStdout();
+  }
+  WritableStream.call(this);
+}
+
+BrowserStdout.prototype._write = function(chunks, encoding, cb) {
+  var output = JSON.parse(chunks.toString ? chunks.toString() : chunks);
+  var color = '[c="color: green"]';
+  var level = 'INFO';
+  if (output.level > 40) {
+    color = '[c="color: red"]';
+    if (output.level === 60) {
+      level = 'FATAL';
+    } else {
+      level = 'ERROR';
+    }
+  } else if (output.level === 40) {
+    color = '[c="color: orange"]';
+    level = 'WARNING';
+  } else if (output.level === 20) {
+    level = 'DEBUG';
+  } else if (output.level === 10) {
+    level = 'TRACE';
+  }
+  logStyle(color + level + '[c] ' + '[c="color: blue"]' + output.name + '[c] ' + output.msg);
+  process.nextTick(cb);
+};
+
+// Import process.stdout and process.stderr
+process = require('process');
+process.stdout = BrowserStdout();
+process.stderr = BrowserStdout();
+
+orion.logFormatter = BrowserStdout();